function setCookie(cname: string, cvalue: any, exdays: number = 720) {
  let d = new Date();
  d.setTime(d.getTime() + exdays * 24 * 60 * 60 * 1000);
  let expires = "expires=" + d.toUTCString();
  document.cookie = cname + "=" + cvalue + "; " + expires;
}

function getCookie(cname: string) {
  let name = cname + "=";
  let ca = document.cookie.split(";");
  for (let i = 0; i < ca.length; i++) {
    let c = ca[i];
    while (c.charAt(0) == " ") c = c.substring(1);
    if (c.indexOf(name) != -1) {
      return c.substring(name.length, c.length);
    }
  }
  return "";
}

function clearCookie(cname: string) {
  let d = new Date();
  d.setTime(-1);
  let expires = "expires=" + d.toUTCString();
  document.cookie = cname + "=''; " + expires;
}

export { setCookie, getCookie, clearCookie };
